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It's hardly the way folks back in Kentwood, La., remember the bubbly young Spears. Growing up, "she was the sweetest, most mannerly little girl in the world," says a family friend. But her home life wasn't always stable: After her parents divorced in 2002, she called it "the best thing that's ever happened to my family." Troubles have plagued the paternal side of her family tree as well: Her grandmother Emma Spears shot herself to death at 31; Jamie has battled alcohol problems. Still, says Britney's former dance teacher and family friend Renee Donewar, "I've never heard anyone talk about there being a history of mental illness in her family or making a big deal about it at all."
Of course, from her pig-tailed beginnings as a tween idol to her evolution as a sexy superstar and then newlywed and new mom, Spears has weathered nearly every triumph – and misstep – in the public eye. But this latest, gravest saga may have its roots in the postpartum depression Spears suffered after the births of her two boys, say several sources. "She would be sweet and happy sometimes, and the next minute she would explode and demand her way and then be depressed," says a source who was close to the family during her marriage. "She wasn't manic while I was there, but she was depressed a lot," says a former nanny. "She would say, 'The only time I feel relaxed is when I've had a drink.' She started reading Brooke Shields' book [on postpartum depression]." Adds another source: "When [she and Kevin] announced they were pregnant, I was worried. She was a genuinely sweet person, but she related to her [then] 13-year-old sister the most. She still seemed like a little girl." The '06 breakup of her marriage only worsened things, adds this source: "Once they started having problems, the mania started showing. As soon as the one close relationship in her life started to deteriorate, she started to deteriorate."
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